Display panel or portion thereof with graphical user interface



FIG. 1 is a front view of the a display panel or portion thereof with graphical user interface showing our new design; and,

FIG. 2 is a front view thereof, shown on a display device.

The dot-dash broken lines forming a rectangle in FIG. 1 illustrate a display panel or portion thereof and form no part of the claimed design. The dash-dash broken lines that show a circle forms part of the claimed design. The dot-dash broken lines in FIG. 2 showing a display device illustrate a display device that forms no part of the claimed design.

The display panel may be used with an ultrasound probe. 

CLAIM The ornamental design for a display panel or portion thereof with graphical user interface, as shown and described. 